*
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated. Instead,
   * use the {@code HashMap} constructor directly, taking advantage of <a
   * href="http://goo.gl/iz2Wi">"diamond" syntax</a>.
   *
   * @return a new, empty {@code HashMap}
   */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      HashMap<K, V> newHashMap() {
    return new HashMap<>();
  }

    }

    interface JsStaticOnOverride : KtFirDiagnostic<PsiElement> {
        override val diagnosticClass get() = JsStaticOnOverride::class
    }

    interface Syntax : KtFirDiagnostic<PsiElement> {
        override val diagnosticClass get() = Syntax::class
        val message: String
    }

    interface NestedExternalDeclaration : KtFirDiagnostic<KtExpression> {

                firSymbolBuilder.buildSymbol(firBasedSymbol)
            },
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.DEPRECATED_TYPE_PARAMETER_SYNTAX) { firDiagnostic ->
        DeprecatedTypeParameterSyntaxImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }

dependencies.
</p>

<p>
The grammar is compact and simple to parse, allowing for easy analysis
by automatic tools such as integrated development environments.
</p>

<h2 id="Notation">Notation</h2>
<p>
The syntax is specified using Extended Backus-Naur Form (EBNF):
</p>

<pre class="grammar">
Production  = production_name "=" [ Expression ] "." .
Expression  = Alternative { "|" Alternative } .
Alternative = Term { Term } .

internal class SyntaxImpl(
    override val message: String,
    firDiagnostic: KtPsiDiagnostic,
    token: KtLifetimeToken,
) : KtAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KtFirDiagnostic.Syntax

internal class NestedExternalDeclarationImpl(
    firDiagnostic: KtPsiDiagnostic,
    token: KtLifetimeToken,

          .add("content-type", "text/plain")
          .add("content-length", "3")
          .build(),
      )
      .assertBody("abc")
      .assertSentRequestAtMillis(sentAt, receivedAt)
      .assertReceivedResponseAtMillis(sentAt, receivedAt)
    val recordedRequest = server.takeRequest()
    assertThat(recordedRequest.method).isEqualTo("GET")
    assertThat(recordedRequest.headers["User-Agent"]).isEqualTo("SyncApiTest")